1 /* $NetBSD: siisata_pci.c,v 1.20 2018/10/25 21:03:19 jdolecek Exp $ */ 2 3 /* 4 * Copyright (c) 2006 Manuel Bouyer. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28 /* 29 * Copyright (c) 2007, 2008, 2009 Jonathan A. Kollasch. 30 * All rights reserved. 31 * 32 * Redistribution and use in source and binary forms, with or without 33 * modification, are permitted provided that the following conditions 34 * are met: 35 * 1. Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * 2. Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in the 39 * documentation and/or other materials provided with the distribution. 40 * 41 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 42 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 44 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 45 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 50 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 51 */ 52 53 #include <sys/cdefs.h> 54 __KERNEL_RCSID(0, "$NetBSD: siisata_pci.c,v 1.20 2018/10/25 21:03:19 jdolecek Exp $"); 55 56 #include <sys/types.h> 57 #include <sys/malloc.h> 58 #include <sys/param.h> 59 #include <sys/kernel.h> 60 #include <sys/systm.h> 61 62 #include <dev/pci/pcivar.h> 63 #include <dev/pci/pcidevs.h> 64 #include <dev/ic/siisatavar.h> 65 66 struct siisata_pci_softc { 67 struct siisata_softc si_sc; 68 pci_chipset_tag_t sc_pc; 69 pcitag_t sc_pcitag; 70 pci_intr_handle_t *sc_pihp; 71 void *sc_ih; 72 }; 73 74 static int siisata_pci_match(device_t, cfdata_t, void *); 75 static void siisata_pci_attach(device_t, device_t, void *); 76 static int siisata_pci_detach(device_t, int); 77 static void siisata_pci_childdetached(device_t, device_t); 78 static bool siisata_pci_resume(device_t, const pmf_qual_t *); 79 80 struct siisata_pci_board { 81 pci_vendor_id_t spb_vend; 82 pci_product_id_t spb_prod; 83 uint16_t spb_port; 84 uint16_t spb_chip; 85 }; 86 87 static const struct siisata_pci_board siisata_pci_boards[] = { 88 { 89 .spb_vend = PCI_VENDOR_CMDTECH, 90 .spb_prod = PCI_PRODUCT_CMDTECH_3124, 91 .spb_port = 4, 92 .spb_chip = 3124, 93 }, 94 { 95 .spb_vend = PCI_VENDOR_CMDTECH, 96 .spb_prod = PCI_PRODUCT_CMDTECH_3132, 97 .spb_port = 2, 98 .spb_chip = 3132, 99 }, 100 { 101 .spb_vend = PCI_VENDOR_CMDTECH, 102 .spb_prod = PCI_PRODUCT_CMDTECH_AAR_1220SA, 103 .spb_port = 2, 104 .spb_chip = 3132, 105 }, 106 { 107 .spb_vend = PCI_VENDOR_CMDTECH, 108 .spb_prod = PCI_PRODUCT_CMDTECH_3531, 109 .spb_port = 1, 110 .spb_chip = 3531, 111 }, 112 }; 113 114 CFATTACH_DECL3_NEW(siisata_pci, sizeof(struct siisata_pci_softc), 115 siisata_pci_match, siisata_pci_attach, siisata_pci_detach, NULL, 116 NULL, siisata_pci_childdetached, DVF_DETACH_SHUTDOWN); 117 118 static const struct siisata_pci_board * 119 siisata_pci_lookup(const struct pci_attach_args * pa) 120 { 121 int i; 122 123 for (i = 0; i < __arraycount(siisata_pci_boards); i++) { 124 if (siisata_pci_boards[i].spb_vend != PCI_VENDOR(pa->pa_id)) 125 continue; 126 if (siisata_pci_boards[i].spb_prod == PCI_PRODUCT(pa->pa_id)) 127 return &siisata_pci_boards[i]; 128 } 129 130 return NULL; 131 } 132 133 static int 134 siisata_pci_match(device_t parent, cfdata_t match, void *aux) 135 { 136 struct pci_attach_args *pa = aux; 137 138 if (siisata_pci_lookup(pa) != NULL) 139 return 3; 140 141 return 0; 142 } 143 144 static void 145 siisata_pci_attach(device_t parent, device_t self, void *aux) 146 { 147 struct pci_attach_args *pa = aux; 148 struct siisata_pci_softc *psc = device_private(self); 149 struct siisata_softc *sc = &psc->si_sc; 150 const char *intrstr; 151 pcireg_t csr, memtype; 152 const struct siisata_pci_board *spbp; 153 bus_space_tag_t memt; 154 bus_space_handle_t memh; 155 uint32_t gcreg; 156 int memh_valid; 157 bus_size_t grsize, prsize; 158 char intrbuf[PCI_INTRSTR_LEN]; 159 160 sc->sc_atac.atac_dev = self; 161 162 psc->sc_pc = pa->pa_pc; 163 psc->sc_pcitag = pa->pa_tag; 164 165 pci_aprint_devinfo(pa, "SATA-II HBA"); 166 167 /* map BAR 0, global registers */ 168 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SIISATA_PCI_BAR0); 169 switch (memtype) { 170 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 171 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 172 memh_valid = (pci_mapreg_map(pa, SIISATA_PCI_BAR0, 173 memtype, 0, &memt, &memh, NULL, &grsize) == 0); 174 break; 175 default: 176 memh_valid = 0; 177 } 178 if (memh_valid) { 179 sc->sc_grt = memt; 180 sc->sc_grh = memh; 181 sc->sc_grs = grsize; 182 } else { 183 aprint_error_dev(self, "couldn't map global registers\n"); 184 return; 185 } 186 187 /* map BAR 1, port registers */ 188 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SIISATA_PCI_BAR1); 189 switch (memtype) { 190 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 191 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 192 memh_valid = (pci_mapreg_map(pa, SIISATA_PCI_BAR1, 193 memtype, 0, &memt, &memh, NULL, &prsize) == 0); 194 break; 195 default: 196 memh_valid = 0; 197 } 198 if (memh_valid) { 199 sc->sc_prt = memt; 200 sc->sc_prh = memh; 201 sc->sc_prs = prsize; 202 } else { 203 bus_space_unmap(sc->sc_grt, sc->sc_grh, grsize); 204 aprint_error_dev(self, "couldn't map port registers\n"); 205 return; 206 } 207 208 if (pci_dma64_available(pa)) 209 sc->sc_dmat = pa->pa_dmat64; 210 else 211 sc->sc_dmat = pa->pa_dmat; 212 213 /* map interrupt */ 214 if (pci_intr_alloc(pa, &psc->sc_pihp, NULL, 0) != 0) { 215 bus_space_unmap(sc->sc_grt, sc->sc_grh, grsize); 216 bus_space_unmap(sc->sc_prt, sc->sc_prh, prsize); 217 aprint_error_dev(self, "couldn't map interrupt\n"); 218 return; 219 } 220 intrstr = pci_intr_string(pa->pa_pc, psc->sc_pihp[0], intrbuf, 221 sizeof(intrbuf)); 222 psc->sc_ih = pci_intr_establish_xname(pa->pa_pc, psc->sc_pihp[0], 223 IPL_BIO, siisata_intr, sc, device_xname(self)); 224 if (psc->sc_ih == NULL) { 225 pci_intr_release(psc->sc_pc, psc->sc_pihp, 1); 226 psc->sc_pihp = NULL; 227 228 bus_space_unmap(sc->sc_grt, sc->sc_grh, grsize); 229 bus_space_unmap(sc->sc_prt, sc->sc_prh, prsize); 230 aprint_error_dev(self, "couldn't establish interrupt at %s\n", 231 intrstr); 232 return; 233 } 234 aprint_normal_dev(self, "interrupting at %s\n", 235 intrstr ? intrstr : "unknown interrupt"); 236 237 /* fill in number of ports on this device */ 238 spbp = siisata_pci_lookup(pa); 239 KASSERT(spbp != NULL); 240 sc->sc_atac.atac_nchannels = spbp->spb_port; 241 242 /* set the necessary bits in case the firmware didn't */ 243 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 244 csr |= PCI_COMMAND_MASTER_ENABLE; 245 csr |= PCI_COMMAND_MEM_ENABLE; 246 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, csr); 247 248 gcreg = GRREAD(sc, GR_GC); 249 250 aprint_verbose_dev(self, "SiI%d, %sGb/s\n", 251 spbp->spb_chip, (gcreg & GR_GC_3GBPS) ? "3.0" : "1.5" ); 252 if (spbp->spb_chip == 3124) { 253 short width; 254 short speed; 255 char pcix = 1; 256 257 width = (gcreg & GR_GC_REQ64) ? 64 : 32; 258 259 switch (gcreg & (GR_GC_DEVSEL | GR_GC_STOP | GR_GC_TRDY)) { 260 case 0: 261 speed = (gcreg & GR_GC_M66EN) ? 66 : 33; 262 pcix = 0; 263 break; 264 case GR_GC_TRDY: 265 speed = 66; 266 break; 267 case GR_GC_STOP: 268 speed = 100; 269 break; 270 case GR_GC_STOP | GR_GC_TRDY: 271 speed = 133; 272 break; 273 default: 274 speed = -1; 275 break; 276 } 277 aprint_verbose_dev(self, "%hd-bit %hdMHz PCI%s\n", 278 width, speed, pcix ? "-X" : ""); 279 } 280 281 siisata_attach(sc); 282 283 if (!pmf_device_register(self, NULL, siisata_pci_resume)) 284 aprint_error_dev(self, "couldn't establish power handler\n"); 285 } 286 287 static int 288 siisata_pci_detach(device_t dv, int flags) 289 { 290 struct siisata_pci_softc *psc = device_private(dv); 291 struct siisata_softc *sc = &psc->si_sc; 292 int rv; 293 294 rv = siisata_detach(sc, flags); 295 if (rv) 296 return rv; 297 298 if (psc->sc_ih != NULL) { 299 pci_intr_disestablish(psc->sc_pc, psc->sc_ih); 300 psc->sc_ih = NULL; 301 } 302 303 if (psc->sc_pihp != NULL) { 304 pci_intr_release(psc->sc_pc, psc->sc_pihp, 1); 305 psc->sc_pihp = NULL; 306 } 307 308 bus_space_unmap(sc->sc_prt, sc->sc_prh, sc->sc_prs); 309 bus_space_unmap(sc->sc_grt, sc->sc_grh, sc->sc_grs); 310 311 return 0; 312 } 313 314 static void 315 siisata_pci_childdetached(device_t dv, device_t child) 316 { 317 struct siisata_pci_softc *psc = device_private(dv); 318 struct siisata_softc *sc = &psc->si_sc; 319 320 siisata_childdetached(sc, child); 321 } 322 323 static bool 324 siisata_pci_resume(device_t dv, const pmf_qual_t *qual) 325 { 326 struct siisata_pci_softc *psc = device_private(dv); 327 struct siisata_softc *sc = &psc->si_sc; 328 int s; 329 330 s = splbio(); 331 siisata_resume(sc); 332 splx(s); 333 334 return true; 335 } 336